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Year : 2016  |  Volume : 2  |  Issue : 1  |  Page : 1-7

Changes of Adenylate Cyclase and Guanylate Cyclase in the Frontal Cortex, Lenticula, Corpus Amygdaloideum, and Hippocampus in Morphine-dependent Rats

School of Forensic Medicine, Kunming Medical University, Kunming, Yunnan, People's Republic of China

Correspondence Address:
Lihua Li
School of Forensic Medicine, Kunming Medical University, No. 1168 West Chun Rong Street, Cheng Gong, Kunming, Yunnan Province
People's Republic of China
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/2349-5014.161631

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To detect the changes of adenylate cyclase (AC) and guanylate cyclase (GC) in the four cerebral regions that are concerned with psychogenic dependence of morphine in rats, including the frontal cortex, lenticula, corpus amygdaloideum, and hippocampus. To discuss the relation between the expressions of AC and GC with the psychogenic dependence on morphine. Different periods of morphine-dependent rat models were established, and enzyme histochemistry was used to detect the variations of AC and GC in four cerebral regions. Compared with the control group, AC and GC in all the morphine-dependent groups increased. The data indicated that the amounts of AC and GC were significantly different between the morphine-dependent groups and the control group when tested at periods of 1 week, 2 weeks, 4 weeks, and 8 weeks (P ˂ 0.05 or P ˂ 0.01). There were significant differences when comparing the 1-week group with the 2-week, 4-week, and 8-week groups (P ˂ 0.05 or P ˂ 0.01). There were significant differences when comparing the 2-week dependent group with the 4-week dependent group or the 8-week dependent group (P ˂ 0.05 or P ˂ 0.01). The activities of AC and GC increased in four cerebral regions of morphine-dependent rats. The psychogenic dependence on morphine appears to be closely linked to the upgrade of AC and GC.

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